{"id":79,"book_id":1,"sort":79,"original":"雁门紫塞，鸡田赤城。","pinyin":"yàn mén zǐ sāi，jī tián chì chéng。","translate_text":"北方有雁门关、长城紫塞，还有鸡田驿站、赤城要塞，都是边境重镇。","word_explain":"雁门：雁门关；紫塞：长城，边塞土呈紫色故称紫塞；鸡田：古代北方驿站；赤城：北方边塞山塞。","intro_reading":"列举北方边境关隘要塞，描绘北疆边防地理地标。","extended_reading":"四句一组铺叙四方名胜，本句聚焦北方边关：雁门关为历代兵家重地，长城又称紫塞；鸡田、赤城均为古代北部边疆驿馆、要塞名称。下句转向湖泊、江海、名山，描绘中原与东部水域山川。","story":"北方边境，雁门关雄踞长城紫塞一带，还有鸡田驿、赤城要塞，都是重要边防要地。","bg_image_prompt":"古风水墨国风，雁门关长城雄关，北疆边塞远山，苍茫淡墨","bg_image":null,"video_prompt":"国风水墨短视频，北疆长城雁门关，边塞关隘连绵，风沙悠远","video_url":null,"meta":null}